441331836642 has 24 divisors (see below), whose sum is σ = 956406196044. Its totient is φ = 147081809664.

The previous prime is 441331836577. The next prime is 441331836643. The reversal of 441331836642 is 246638133144.

441331836642 is a `hidden beast` number, since 441 + 3 + 31 + 83 + 66 + 42 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 419410369161 + 21921467481 = 647619^2 + 148059^2 .

It is not an unprimeable number, because it can be changed into a prime (441331836643) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2305623 + ... + 2489690.

Almost surely, 2^441331836642 is an apocalyptic number.

441331836642 is an abundant number, since it is smaller than the sum of its proper divisors (515074359402).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

441331836642 is a wasteful number, since it uses less digits than its factorization.

441331836642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4800434 (or 4800431 counting only the distinct ones).

The product of its digits is 995328, while the sum is 45.

Adding to 441331836642 its reverse (246638133144), we get a palindrome (687969969786).

The spelling of 441331836642 in words is "four hundred forty-one billion, three hundred thirty-one million, eight hundred thirty-six thousand, six hundred forty-two".